Kona Bay Weather Forecast
- 76
- 85
Mostly Cloudy
- 77
- 86
Partly Sunny
- 76
- 86
Rain Showers
- 75
- 85
Rain Showers
- 75
- 85
Rain Showers
- 75
- 84
Rain Showers
Today 18 Sep Kona
Cloudy and haze. Highs around 87 near the shore to around 71 near 5000 feet. Light Winds.
Tonight 18 Sep Kona
Cloudy and haze. Lows around 75 near the shore to 50 to 56 near 5000 feet. Light Winds.
Kona Bay Temperature Statistics
September Temperature
Kailua / Kona, Keahole Airport (7.5 miles)
Lowest 2 September, 2025
75 °FAverage September
81.6 °FHighest 12 September, 2025
88 °F
Climate (2020–Present)
Kailua / Kona, Keahole Airport (7.5 miles)
Average Low 2020–2025
73.3 °FAverage 2020–2025
79 °FAverage High 2020–2025
84.7 °F